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Literature summary for 1.6.2.2 extracted from

  • Kitajima, S.; Yasukochi, Y.; Minakami, S.
    Purification and properties of human erythrocyte membrane NADH-cytochrome b5 reductase (1981), Arch. Biochem. Biophys., 210, 330-339.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
Acrynol
-
Homo sapiens
adenine nucleotides
-
Homo sapiens
ADP
-
Homo sapiens
Atebrin
-
Homo sapiens
N-ethylmaleimide
-
Homo sapiens
p-chloromercuribenzoate
-
Homo sapiens

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.0006
-
NADH enzyme from erythrocyte membrane Homo sapiens
0.02
-
ferricytochrome b5 enzyme from erythrocyte membrane Homo sapiens

Localization

Localization Comment Organism GeneOntology No. Textmining
cytosol
-
Homo sapiens 5829
-
membrane
-
Homo sapiens 16020
-

Organism

Organism UniProt Comment Textmining
Homo sapiens
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Homo sapiens

Source Tissue

Source Tissue Comment Organism Textmining
erythrocyte soluble form Homo sapiens
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
790
-
-
Homo sapiens

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2 ferricytochrome b5 + NADH specific for NADH as electron donor, artificial acceptors: ferricyanide, 2,6-dichlorphenolindophenol Homo sapiens 2 ferrocytochrome b5 + NAD+ + H+
-
?
2 ferricytochrome b5 + NADH additional acceptor: methemoglobin-ferrocyanide complex Homo sapiens 2 ferrocytochrome b5 + NAD+ + H+
-
?
NADH + ferricytochrome b5
-
Homo sapiens NAD+ + H+ + ferrocytochrome b5
-
r

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
5.2
-
NADH-methemoglobin-ferrocyanide Homo sapiens
6.5 8.5 NADH-ferricyanide Homo sapiens

pH Range

pH Minimum pH Maximum Comment Organism
5 8 depending on acceptor Homo sapiens

Cofactor

Cofactor Comment Organism Structure
FAD
-
Homo sapiens
NADH
-
Homo sapiens

Ki Value [mM]

Ki Value [mM] Ki Value maximum [mM] Inhibitor Comment Organism Structure
0.08
-
ADP
-
Homo sapiens